Finding the Fourth Proportional to 149,510.31, 206,263.26 and 91,337.02
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Solution
The fourth proportional to 149,510.31, 206,263.26 and 91,337.02 is: 126,007.84
Step by Step Solution
- Step 1: Write the proportion equation
149,510.31 : 206,263.26 = 91,337.02 : x - Step 2: Convert to fraction form
149,510.31/206,263.26 = 91,337.02/x - Step 3: Cross multiply
149,510.31x = 206,263.26 × 91,337.02 - Step 4: Simplify right side
149,510.31x = 18,839,470,988.23 - Step 5: Solve for x
x = 18,839,470,988.23/149,510.31 - Step 6: Final answer
x = 126,007.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.